42-335-33503

Final Completion

TXL NORTH UNIT

MITCHELL County · District 8 · FORMENTERA OPERATIONS LLC · TXL (TUBB)

Permits

Max Depth

3,300 ft

First Permit

1989-10-23

Latest Activity

2015-09-25

Lifespan

26 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1989-12-30

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: FORMENTERA OPERATIONS LLC ≠ Production: BCE-MACH III LLC (reported 2026-04)

EWA / Permit operator mismatch

Scheduling: FORMENTERA OPERATIONS LLC ≠ Permit: ENERGEN RESOURCES CORPORATION

Resolved via: production → BCE-MACH III LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

FINA OIL & CHEMICAL COMPANY 1993-1999→ FIRST PERMIAN, L.L.C. 1999-2002→ ENERGEN RESOURCES CORPORATION 2002-2019→ DIAMONDBACK E&P LLC 2019-2019→ SABINAL ENERGY OPERATING, LLC 2019-2025→ BCE-MACH III LLC 2025-2026

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Oil

production & DCA →

Formation Tops (4) Elevation 2,120 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
UPPER CLEARFORK (Clear Fork)	2,370 ft	-250 ft
UPPER CLEARFORK (Clear Fork)	2,400 ft	-280 ft
MIDDLE CLEARFORK (Clear Fork)	2,884 ft	-764 ft
MIDDLE CLEARFORK (Clear Fork)	2,890 ft	-770 ft

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Perforations (2)

Interval	Type
2,382–3,116 ft	Perforated
2,890–3,116 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	486 ft	500 sx
5.5"	3,200 ft	975 sx

Permit History (2)

#809813 Recompletion Final Completion

WESTBROOK SOUTHEAST UNIT · 3,300 ft

2015-09-25

Spud 2005-02-23

#365357 Drill Final Completion

WESTBROOK SOUTHEAST UNIT · 3,300 ft

1989-10-23

Spud 1989-11-14

Applications (2)

#809813 A ENERGEN RESOURCES CORPORATION

received 2015-08-26

#365357 A FINA OIL & CHEMICAL COMPANY

received 1989-10-19

Records & Logs

5 completion filings on record · 1 with log images at RRC.

W-2/G-1 2015-09-29

W-2/G-1 1990-12-21

W-2/G-1 1990-02-06 log on file

W-2/G-1 1990-03-16

W-2/G-1 1990-02-17

Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in MITCHELL County.

Well Details

Well Number: 418
Max Depth: 3,300 ft
Drill Type: Vertical
County: MITCHELL
District: 8
Operator: FORMENTERA OPERATIONS LLC
Completed: 1989-12-30

Operator

Name: FORMENTERA OPERATIONS LLC
Location: AUSTIN
P-5 Status: X (filed 2026-06-11)
Cum Oil (all leases): 7,170,117 bbl
Cum Gas (all leases): 53,235,974 mcf
Activities: CSGD/P, G/PUR, OPRS/G, OPRS/O
Total Permits: 71